Teflon based lubricant spray that works wonders on chains. Use it on just about any metal-on-metal part of your bike. Even use items around the house like lawnmowers and tools.Size: Available in 4oz, 6oz or 12oz cansRestrictions: Aerosol containers and lubricants are considered flammable and cannot be shipped by air. This item can only be shipped by ground service. No International, APO, FPO, Next Day or 2nd Day air services. Ground shipping only to the greater 48 states.